Anemia is one type of red blood cell disorder. A lack of the mineral iron in your blood usually causes this disorder. Your body needs iron to produce the protein hemoglobin, which helps your red blood cells carry oxygen from your lungs to the rest of your body.
Heat transfer refers to the physical process by which heat energy moves from one area to another. The Heat Transfer Methods figure above illustrates various heat transfer methods. Branches above the fire are receiving heat by convection and radiation.
Useful energy transfer is when the energy is transferred into something that is used for a specific application. For example, boiling a water to make a cup of coffee, in this â¦ case the heat is transferred into something that will be helpful for making the coffee.